diff --git a/doc/src/sgml/backup.sgml b/doc/src/sgml/backup.sgml
index 55363a7440..a49172da92 100644
--- a/doc/src/sgml/backup.sgml
+++ b/doc/src/sgml/backup.sgml
@@ -577,8 +577,8 @@ tar -cf backup.tar /usr/local/pgsql/data
     character in the command.  The simplest useful command is something
     like:
 <programlisting>
-archive_command = 'cp -i %p /mnt/server/archivedir/%f &lt;/dev/null' # Unix
-archive_command = 'copy "%p" "C:\\server\\archivedir\\%f"'           # Windows
+archive_command = 'cp -i %p /mnt/server/archivedir/%f &lt;/dev/null'  # Unix
+archive_command = 'copy "%p" "C:\\server\\archivedir\\%f"'  # Windows
 </programlisting>
     which will copy archivable WAL segments to the directory
     <filename>/mnt/server/archivedir</>.  (This is an example, not a